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authorBryce McKinlay <bryce@gcc.gnu.org>2001-04-25 16:45:15 +0100
committerBryce McKinlay <bryce@gcc.gnu.org>2001-04-25 16:45:15 +0100
commit28f7d9d05ad70afad626d4bc54c633d31eb7430a (patch)
treee9e280e2d95c4a16d714ee23d9f0345ef0401260 /libjava/java/security/SignedObject.java
parent744cfa53c3f98a0cb0d952a176c8bc03aee1abba (diff)
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decl.c (init_decl_processing): Add new class "protectionDomain" field.
gcc/java: 2001-04-25 Bryce McKinlay <bryce@waitaki.otago.ac.nz> * decl.c (init_decl_processing): Add new class "protectionDomain" field. * class.c (make_class_data): Set initial value for "protectionDomain". libjava: 2001-04-25 Bryce McKinlay <bryce@albatross.co.nz> java.security merge and ClassLoader compliance fixes. * java/lang/Class.h (Class): Include ProtectionDomain.h. New protectionDomain field. (forName): Add initialize parameter. Fixes declaration to comply with JDK spec. * java/lang/natClass.cc (forName): Correct declaration of the three-arg variant. Honour "initialize" flag. (getProtectionDomain0): New method. * java/lang/Class.java: Fix forName() declaration. (getPackage): New method based on Classpath implementation. (getProtectionDomain0): New native method decl. (getProtectionDomain): New method. * java/lang/ClassLoader.java (getParent): Now final. (definedPackages): New field. (getPackage): New. (defineClass): New variant with protectionDomain argument. (definePackage): New. (getPackages): New. (findSystemClass): Now final. (getSystemResourceAsStream): Remove redundant "final" modifier. (getSystemResource): Remove redundant "final" modifier. (getResources): Now final. (protectionDomainPermission): New static field. (unknownProtectionDomain): Ditto. (defaultProtectionDomain): Ditto. (getSystemClassLoader): Now non-native. * java/util/ResourceBundle.java (tryGetSomeBundle): Use the correct arguments for Class.forName(). * java/lang/Package.java: New file. * gnu/gcj/runtime/VMClassLoader.java (getVMClassLoader): Removed. (instance): Static initialize singleton. (findClass): Override this, not findSystemClass. * java/lang/natClassLoader.cc (defineClass0): Set class's protectionDomain field as specified. (getSystemClassLoader): Removed. (findClass): Renamed from findSystemClass. Call the interpreter via URLClassLoader.findClass if loading class via dlopen fails. * java/security/*.java: java.security import/merge with Classpath. * java/security/acl/*.java: Likewise. * java/security/interfaces/*.java: Likewise. * java/security/spec/*.java: Likewise. * java/net/NetPermission.java: Likewise. * java/net/SocketPermission.java: Likewise. * gnu/java/security/provider/DefaultPolicy.java: Likewise. * Makefile.am: Add new classes. * Makefile.in: Rebuilt. * gcj/javaprims.h: CNI namespace rebuild. From-SVN: r41543
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+/* SignedObject.java --- Signed Object Class
+ Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+package java.security;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+
+/**
+ SignedObject is used for storing rutime objects whose integrity
+ cannot be compromised without being detected.
+
+ SignedObject contains a Serializable object which is yet to be
+ signed and its signature.
+
+ The signed copy is a "deep copy" (in serialized form) of the
+ original object. Any changes to the original will not affect
+ the original.
+
+ Several things to note are that, first there is no need to
+ initialize the signature engine as this class will handle that
+ automatically. Second, verification will only succeed if the
+ public key corresponds to the private key used to generate
+ the SignedObject.
+
+ For fexibility, the signature engine can be specified in the
+ constructor or the verify method. The programmer who writes
+ code that verifies the SignedObject has not changed should be
+ aware of the Signature engine they use. A malicious Signature
+ may choose to always return true on verification and
+ bypass the secrity check.
+
+ The GNU provider provides the NIST standard DSA which uses DSA
+ and SHA-1. It can be specified by SHA/DSA, SHA-1/DSA or its
+ OID. If the RSA signature algorithm is provided then
+ it could be MD2/RSA. MD5/RSA, or SHA-1/RSA. The algorithm must
+ be specified because there is no default.
+
+ @author Mark Benvenuto <ivymccough@worldnet.att.net>
+
+ @since JDK 1.2
+ */
+public final class SignedObject implements Serializable
+{
+ private byte[] content;
+ private byte[] signature;
+ private String thealgorithm;
+
+ /**
+ Constructs a new SignedObject from a Serializeable object. The
+ object is signed with private key and signature engine
+
+ @param object the object to sign
+ @param signingKey the key to sign with
+ @param signingEngine the signature engine to use
+
+ @throws IOException serialization error occured
+ @throws InvalidKeyException invalid key
+ @throws SignatureException signing error
+ */
+ public SignedObject(Serializable object, PrivateKey signingKey,
+ Signature signingEngine) throws IOException,
+ InvalidKeyException, SignatureException
+ {
+ thealgorithm = signingEngine.getAlgorithm();
+
+ ByteArrayOutputStream ostream = new ByteArrayOutputStream();
+ ObjectOutputStream p = new ObjectOutputStream(ostream);
+ p.writeObject(object);
+ p.flush();
+
+ content = ostream.toByteArray();
+
+ signingEngine.initSign(signingKey);
+ signingEngine.update(content);
+ signature = signingEngine.sign();
+ }
+
+ /**
+ Returns the encapsulated object. The object is
+ de-serialized before being returned.
+
+ @return the encapsulated object
+
+ @throws IOException de-serialization error occured
+ @throws ClassNotFoundException de-serialization error occured
+ */
+ public Object getObject() throws IOException, ClassNotFoundException
+ {
+ ByteArrayInputStream istream = new ByteArrayInputStream(content);
+
+ return new ObjectInputStream(istream).readObject();
+ }
+
+ /**
+ Returns the signature of the encapsulated object.
+
+ @return a byte array containing the signature
+ */
+ public byte[] getSignature()
+ {
+ return signature;
+ }
+
+ /**
+ Returns the name of the signature algorithm.
+
+ @return the name of the signature algorithm.
+ */
+ public String getAlgorithm()
+ {
+ return thealgorithm;
+ }
+
+ /**
+ Verifies the SignedObject by checking that the signature that
+ this class contains for the encapsulated object.
+
+ @param verificationKey the public key to use
+ @param verificationEngine the signature engine to use
+
+ @return true if signature is correct, false otherwise
+
+ @throws InvalidKeyException invalid key
+ @throws SignatureException signature verification failed
+ */
+ public boolean verify(PublicKey verificationKey,
+ Signature verificationEngine) throws
+ InvalidKeyException, SignatureException
+ {
+ verificationEngine.initVerify(verificationKey);
+ verificationEngine.update(content);
+ return verificationEngine.verify(signature);
+ }
+
+ // readObject is called to restore the state of the SignedObject from a
+ // stream.
+ //private void readObject(ObjectInputStream s)
+ // throws IOException, ClassNotFoundException
+}